Home / 19,331.64-29,005.70-8,243.56

Finding the Fourth Proportional to 19,331.64, 29,005.70 and 8,243.56

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Solution

The fourth proportional to 19,331.64, 29,005.70 and 8,243.56 is: 12,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.64 : 29,005.70 = 8,243.56 : x
  2. Step 2: Convert to fraction form
    19,331.64/29,005.70 = 8,243.56/x
  3. Step 3: Cross multiply
    19,331.64x = 29,005.70 × 8,243.56
  4. Step 4: Simplify right side
    19,331.64x = 239,110,228.29
  5. Step 5: Solve for x
    x = 239,110,228.29/19,331.64
  6. Step 6: Final answer
    x = 12,368.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.